National Stock Number
4210-01-429-3301
National Stock Number (NSN) 4210-01-429-3301, or NIIN 014293301, (proportioner,foam liquid,injecti) was assigned April 9, 1996 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20961. [AN ITEM DESIGNED FOR THE PURPOSE OF INJECTING A CAREFULLY CONTROLLED AMOUNT OF FOAM LIQUID INTO A HORIZONTAL FIRE MAIN OR FIRE HOSE LINE DEPENDING UPON THE FLOW OF WATER THROUGH THE MAIN OR LINE. IT CONSISTS OF A POSITIVE DISPLACEMENT ROTARY FOAM LIQUID PUMP DRIVEN BY A POSITIVE DISPLACEMENT ROTARY WATER MOTOR THROUGH A SOLID TYPE COUPLING. THE PUMP SUCTION IS CONNECTED TO A SOURCE OF FOAM LIQUID AND THE DISCHARGE IS CONNECTED TO THE DOWNSTREAM SIDE OF THE WATER MOTOR. FOR TANK TYPE PROPORTIONERS, SEE PROPORTIONER, FIRE EXTINGUISHING FOAM. EXCLUDES:GENERATOR, FOAM, PUMP.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4210014293301 does not contain precious metals.
This information was last updated on Jul 01, 2025.